1PER

THE COMPLEX BETWEEN PHAGE 434 REPRESSION DNA-BINDING DOMAIN AND OPERATOR SITE OR3: STRUCTURAL DIFFERENCES BETWEEN CONSENSUS AND NON-CONSENSUS HALF-SITES

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	DNA (5'-D(*AP*AP*GP*TP*AP*CP*AP*GP*TP*TP*TP*TP*TP*CP*TP*TP*G P*TP*AP*T)-3')	polymer	20	6129.0	1
2	B (B)	DNA (5'-D(*TP*AP*TP*AP*CP*AP*AP*GP*AP*AP*AP*AP*AP*CP*TP*GP*T P*AP*CP*T)-3')	polymer	20	6134.0	1
3	C, D (L, R)	PROTEIN (434 REPRESSOR)	polymer	69	7560.5	2	UniProt (P16117) Pfam (PF01381)	Phage 434
4	E, F, G, H (A, B, L, R)	water	water		18.0	40	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	27384.1
All*	Total formula weight	27384.1

*Water molecules are not included.